1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20200420172927_add_sprints_foreign_key_to_groups.rb b/db/migrate/20200420172927_add_sprints_foreign_key_to_groups.rb
new file mode 100644
index 00000000000..cd90fe50cde
--- /dev/null
+++ b/db/migrate/20200420172927_add_sprints_foreign_key_to_groups.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddSprintsForeignKeyToGroups < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :sprints, :namespaces, column: :group_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :sprints, column: :group_id
+    end
+  end
+end